Security vulnerabilities and automated fixes for normalization issues
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CVE-2026-56852 is a high-severity vulnerability in golang.org/x/text that allows the Unicode normalization iterator to enter an infinite loop when processing specially crafted input. This fix upgrades the dependency from v0.37.0 to v0.39.0, tightening input validation and preventing denial-of-service attacks in applications that process untrusted Unicode text.